Wall-mounted coaster



FIG. 1 is a top, side and rear perspective view of a wall-mounted coaster showing the new design;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a wall-mounted coaster, as shown and described. 